No duplex printing with Samsung ML-2955ND and Mavericks
I upgraded to Mavericks this week (from Mountain Lion). My Samsung ML-2955ND printer allowed duplex (2-sided) printing under Mountain Lion, but the duplex functionality no longer works under Mavericks.
Device Name: Samsung_ML_2950_Series
Driver Version: 1.0
Main Firmware Version V3.00.01.14 NOV-06-2012
Network Firmware Version V6.01.02(ML-2950 Series)
IP Core Software Version 22.01.NW Stack Version
Engine Firmware Version V1.04.07 10-30-2012
PCL5E Firmware Version PCL5e 6.50 06-21-2011
PCL6 Firmware Version PCL6 6.36.03 09-27-2012
SPL Firmware Version SPL 5.61 06-13-2012
MacBook Pro (15-inch Early 2011), OS X Mavericks (10.9)